Add test for bad reuse of SkJpegCodec internal state
This is a test for the following fix:
https://skia-review.googlesource.com/c/7451/
b/34637813
Change-Id: I3fdb0d7d50537948039b75c3a22454e789ca810a
Reviewed-on: https://skia-review.googlesource.com/7454
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
diff --git a/tests/CodecTest.cpp b/tests/CodecTest.cpp
index 8294c7a..f0d60e7 100644
--- a/tests/CodecTest.cpp
+++ b/tests/CodecTest.cpp
@@ -1018,11 +1018,28 @@
// Perform a sampled decode.
SkAndroidCodec::AndroidOptions opts;
opts.fSampleSize = 12;
- codec->getAndroidPixels(codec->getInfo().makeWH(width / 12, height / 12), pixelStorage.get(),
- rowBytes, &opts);
+ SkCodec::Result result = codec->getAndroidPixels(
+ codec->getInfo().makeWH(width / 12, height / 12), pixelStorage.get(), rowBytes, &opts);
+ REPORTER_ASSERT(r, SkCodec::kSuccess == result);
// Rewind the codec and perform a full image decode.
- SkCodec::Result result = codec->getPixels(codec->getInfo(), pixelStorage.get(), rowBytes);
+ result = codec->getPixels(codec->getInfo(), pixelStorage.get(), rowBytes);
+ REPORTER_ASSERT(r, SkCodec::kSuccess == result);
+
+ // Now perform a subset decode.
+ {
+ opts.fSampleSize = 1;
+ SkIRect subset = SkIRect::MakeWH(100, 100);
+ opts.fSubset = ⊂
+ result = codec->getAndroidPixels(codec->getInfo().makeWH(100, 100), pixelStorage.get(),
+ rowBytes, &opts);
+ REPORTER_ASSERT(r, SkCodec::kSuccess == result);
+ }
+
+ // Perform another full image decode. ASAN will detect if we look at the subset when it is
+ // out of scope. This would happen if we depend on the old state in the codec.
+ opts.fSubset = nullptr;
+ result = codec->getAndroidPixels(codec->getInfo(), pixelStorage.get(), rowBytes, &opts);
REPORTER_ASSERT(r, SkCodec::kSuccess == result);
}